Canon C850 Practical Manual
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Canon C850 Practical Manual

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See also: Troubleshooting Manual , Quick Manual
Practical Guide
for Advanced Printing
This document provides useful explanations about
procedures for printing documents and solutions to
common printing problems. We recommend you read
this document and the User
'
s Guide.
You can access
canon.com/oip-manual to
read the User's Guide that describes
all functions of this machine.
USRMA-0684-00 Copyright CANON INC. 2016

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Summary of Contents for Canon C850

  • Page 1 User’s Guide that describes common printing problems. We recommend you read all functions of this machine. ’ this document and the User s Guide. USRMA-0684-00 Copyright CANON INC. 2016...

  • Page 3: Table Of Contents

    Contents Recommended Types of Calibration � � � � � � � � � � � � � � � 2 How to Adjust the Saddle Stitch Position � � � � � � � � � � 95 Simple Calibration � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �4 Step 1 Adjusting the Saddle Stitch Position to the Enhanced Calibration �...

  • Page 4: Recommended Types Of Calibration

    *1 You can select this type of calibration only if the environment in which the machine is installed is within the recommended range* � *2 For information on the environment (temperature and humidity) for installing the machine and storing paper, see the Installation and Operating Environment Guidelines or the Specialty Media Handling Guide� imagePRESS C850/C750/C650/C65...
  • Page 5 Automatic Gradation Calibration → Shading Correction → Automatic Color Tone Correction� Shading Correction Do this if the color densities become uneven� Automatic Color Tone Correction Do this if you notice differences in the color tones� imagePRESS C850/C750/C650/C65...

  • Page 6: Simple Calibration

    Prior to Starting Simple Calibration See "Adjustment for Image Quality and Finishing (Calibration)" > "Automatic Gradation Adjustment" > "Changing Adjustment Level" in the User's Guide, and set [Adjustment Level] for automatic gradation adjustment to 'Same for All Paper Types' � imagePRESS C850/C750/C650/C65...

  • Page 7: Enhanced Calibration

    > "Changing Adjustment Level" in the User's Guide, and set [Adjustment Level] for automatic gradation adjustment to 'By Paper Type Group' � If you are not sure of the name of the paper to use for calibration, contact your local authorized Canon dealer� imagePRESS C850/C750/C650/C65...
  • Page 8 • You can use the following type of paper to calibrate for paper in group A� You can also use the other type of paper if you registered it to use for calibration in advance� For the European and Asia-Pacific Regions Canon Océ Top Colour Paper (100 g/m For the American Region Hammermill Color Copy Digital (28 lb� (105 g/m →...
  • Page 9 • You can use the following type of paper to calibrate for paper in group B� You can also use the other type of paper if you registered it to use for calibration in advance� For the European and Asia-Pacific Regions Canon Océ Top Colour Paper (250 g/m For the American Region Mohawk Options Navajo Smooth Brilliant White (90 lb� Cover (243 g/m →...
  • Page 10 • You can use the following type of paper to calibrate for paper in group C� You can also use the other type of paper if you registered it to use for calibration in advance� For the European and Asia-Pacific Regions Canon Océ Top Colour Paper (300 g/m For the American Region Hammermill Color Copy Digital Cover (100 lb� (271 g/m →...
  • Page 11 For the European and Asia-Pacific Regions For paper in group A: Canon Océ Top Colour Paper (100 g/m For paper in group B: Canon Océ Top Colour Paper (250 g/m For the American Region For paper in group A: Hammermill Color Copy Digital (28 lb�...
  • Page 12 For the European and Asia-Pacific Regions For paper in group A: Canon Océ Top Colour Paper (100 g/m For paper in group C: Canon Océ Top Colour Paper (300 g/m For the American Region For paper in group A: Hammermill Color Copy Digital (28 lb�...
  • Page 13 For the European and Asia-Pacific Regions Type of paper you want to print on is Plain (52-220 gm2): Canon Océ Top Colour Paper (100 g/m Type of paper you want to print on is Heavy Thick (257-300 gm2): Canon Océ Top Colour Paper (300 g/m...
  • Page 14 For the European and Asia-Pacific Regions For paper in group B: Canon Océ Top Colour Paper (250 g/m For paper in group C: Canon Océ Top Colour Paper (300 g/m For the American Region For paper in group B: Mohawk Options Navajo Smooth Brilliant White (90 lb�...
  • Page 15 For the European and Asia-Pacific Regions Type of paper you want to print on is Thick (221-256 gm2): Canon Océ Top Colour Paper (250 g/m Type of paper you want to print on is Heavy Thick (257-300 gm2): Canon Océ Top Colour Paper (300 g/m Type of paper you want to print on is Coated (106-180 gm2): OK Top Coat Plus (127�9 g/m...
  • Page 16 For the European and Asia-Pacific Regions For paper in group A: Canon Océ Top Colour Paper (100 g/m For paper in group B: Canon Océ Top Colour Paper (250 g/m For paper in group C: Canon Océ...
  • Page 17 For the European and Asia-Pacific Regions Type of paper you want to print on is Plain (52-220 gm2): Canon Océ Top Colour Paper (100 g/m Type of paper you want to print on is Thick (221-256 gm2): Canon Océ Top Colour Paper (250 g/m Type of paper you want to print on is Heavy Thick (257-300 gm2): Canon Océ...

  • Page 18: Getting The Best Colors From Your Machine

    Required Calibrations (Calibrations on the imagePRESS Server) (p� 22) Step 3 Calibrating for Paper You Want to Use for Printing (Calibrations on the Machine) (p� 26) Step 4 Calibrating for Paper You Want to Use for Printing (Calibrations on the imagePRESS Server) (p� 29) imagePRESS C850/C750/C650/C65...
  • Page 19 When you print a large number of pages, you can increase the frequency of density corrections to minimize changes in colors� "Adjustment for Image Quality and Finishing (Calibration)" > "Gradation Adjustment During Printing" in the User's Guide imagePRESS C850/C750/C650/C65...
  • Page 20 • Type of paper you want to print on is Heavy Coated (181-300 gm2): Futura Gloss Cover (100 lb� (271 g/m * The names of the types of paper are subject to change� For more information, contact your local authorized Canon dealer� imagePRESS C850/C750/C650/C65...

  • Page 21: Calibration After Purchase

    Load the paper into the paper drawer� For the European and Asia-Pacific Regions [Thin 1/Plain/Heavy 1-4] [Heaby 5] [Heaby 6] Canon Océ Top Colour Paper Canon Océ Top Colour Paper Canon Océ Top Colour Paper Loaded paper (100 g/m (250 g/m...
  • Page 22 (Calibration)" > "Automatic Gradation Adjustment" > "Selecting Paper for Calibration" in the User's Guide → [Adjustment/Maintenance] → [Adjust Image • Press Quality] → [Auto Adjust Gradation] to select the paper� • The selected paper is displayed in yellow� Press [On] → press [OK]� imagePRESS C850/C750/C650/C65...
  • Page 23 • Select "Plain 1 (80-90 g/m )" for the paper type that you use for test printing� • Select the paper drawer where you have loaded "Canon Océ Top Colour Paper (100 g/m )" as the paper source for test printing�...
  • Page 24 Select the paper you use for the calibration� (Select "Plain (52-220 gm2)" here�) [Paper source:] Select the paper drawer where you have loaded the paper� (Select the paper drawer where "Canon Océ Top Colour Paper (100 g/m )" is loaded here�) [Measurement method:] Select the calibration method�...
  • Page 25 <Scanning the Cyan strip���>� Keep holding the button and move the spectrophotometer from the top to the bottom to scan the cyan strip� • Release the button after you have finished scanning� Scan the magenta, yellow, and black strips in the same way� imagePRESS C850/C750/C650/C65...
  • Page 26 After <Measurements completed successfully�> appears, click [Continue]� Click [Apply & Close]� imagePRESS C850/C750/C650/C65...
  • Page 27 Getting the Best Colors from Your Machine If necessary, calibrate for the following papers in the same way� For the European and Asia-Pacific Regions Canon Océ Top Colour Paper (250 g/m Canon Océ Top Colour Paper (300 g/m OK Top Coat Plus (127�9 g/m...
  • Page 28 You need to calibrate the machine for the paper you are actually using� Make sure you complete the procedure in "Calibrations on the Machine" (p� 19) in "Required Calibrations, " even if you are not going to use "Canon Océ Top Colour Paper (100 g/m )�...
  • Page 29 "Registering Paper for Calibration" in the User's Guide • Select <Standard> for the type for the paper to use as a basis� • Select the paper drawer where you have loaded "Canon Océ Top Colour Paper (100 g/m )" as the paper source contains the type of paper to use as a basis�...
  • Page 30 IMPORTANT When standards for calibration are overwritten, the data is lost� Be careful not to overwrite the standard for calibration for "Canon Océ Top Colour Paper (100 g/m )" when you register a new standard of calibration for the paper you can use for calibration�...
  • Page 31 You need to connect Calibrations on the imagePRESS Server the spectrophotometer to a machine on which Command WorkStation is installed� Click the [Device Center] tab in Command WorkStation → [General] → [Tools] → [Manage] for <Calibrate>� Click [Create New]� imagePRESS C850/C750/C650/C65...
  • Page 32 Select the items as described below and click [Continue]� [Paper source:] Select the paper drawer in which the paper you want to print on is loaded� [Measurement method:] Select the calibration method� (Select "X-Rite i1Pro" here�) • A calibration page is printed� imagePRESS C850/C750/C650/C65...
  • Page 33 Follow steps 3 to 7 in "Calibrations on the imagePRESS Server" (p� 22) in "Required Calibrations�" Link the calibration setting with the output profile and click [OK]� • The calibration setting for the paper you want to print on is added to the list� imagePRESS C850/C750/C650/C65...
  • Page 34 Click the [Device Center] tab in Command WorkStation → [Resources] → [Profiles]� Click [Output Profiles] to display a list of profiles� • An output profile with "Copy" appended to the name appears in the list as the output profile for the paper you want to print on� imagePRESS C850/C750/C650/C65...
  • Page 35 Nothing needs to be selected� [Calibration:] Select the calibration setting you created in steps 1 to 7 for the paper you want to print on� Click the [Device Center] tab in Command WorkStation → [Resources] → [Paper Catalog] → [Add New]� imagePRESS C850/C750/C650/C65...
  • Page 36 • If the front and back surfaces of the paper are different, you can select <Back Color Profile> and <Front Color Profile> separately� • For detailed information on the setting items, see the user manual or the Help for the imagePRESS Server� imagePRESS C850/C750/C650/C65...
  • Page 37 You need to link the output profile to the calibration settings to use them for the paper you want to print on� You can use a calibration setting with several output profiles, but each output profile must be linked with only a single calibration setting� Calibration Calibration Setting Settings Output Pro les Output Pro le Possible Not Possible imagePRESS C850/C750/C650/C65...
  • Page 38 You can set output profiles to each job in the imagePRESS Server� Follow the procedure below to use an arbitrary profile temporarily� Double-click the job in Command WorkStation� • [Job Properties] is displayed� Select the [Color] tab, and then click [Basic Settings]� Select any profiles in [Output Profile] on the <Color Management> screen and click [OK]� imagePRESS C850/C750/C650/C65...

  • Page 39: Calibration After The Machine Is In Operation

    Server� Calibrations on the imagePRESS Server Load the paper into the paper drawer� • Load "Canon Océ Top Colour Paper (100 g/m )" or the paper you want to use for calibration which has been registered�...

  • Page 40: Calibration As Needed

    Calibrations on the imagePRESS Server Automatic Gradation Calibration ▀ Load the paper into the paper drawer� • Load "Canon Océ Top Colour Paper (100 g/m )" or the paper you want to use for calibration which has been registered� imagePRESS C850/C750/C650/C65...

  • Page 41: Shading Correction

    • Press [Change Corr� Pattern], and select the calibration standard you created in "Calibration after Purchase� " (p� 19) • Select the paper drawer where you loaded the paper in step 1 as the paper source for the paper for which you are calibrating the machine� imagePRESS C850/C750/C650/C65...
  • Page 42 For the European and Asia-Pacific Regions Type of paper you want to print on is Thick (221-256 gm2): Canon Océ Top Colour Paper (250 g/m Type of paper you want to print on is Heavy Thick (257-300 gm2): Canon Océ Top Colour Paper (300 g/m Type of paper you want to print on is Coated (106-180 gm2): OK Top Coat Plus (127�9 g/m...
  • Page 43 Double-click the job for which you want to output a chart� • [Job Properties] is displayed� Select the [Color] tab, and then click [Basic Settings]� Select [Bypass conversion] in [CMYK/Grayscale] on the <Color Management> screen� imagePRESS C850/C750/C650/C65...
  • Page 44 • If you want to change a calibration setting, select the output profile, which is linked with your desired calibration setting, in [Output Profile]� NOTE If you select [Bypass conversion] in [CMYK/Grayscale], the output profile is not used� Only a calibration setting linked with the selected output profile is applied� Click [OK]� imagePRESS C850/C750/C650/C65...
  • Page 45 Getting the Best Colors from Your Machine Select the [Image] tab on the <Job Properties> screen, clear the check box for [Toner reduction]� Click [OK]� imagePRESS C850/C750/C650/C65...

  • Page 46: How To Get The Most Accurate Colors

    You need to calibrate the colors to solve the problem� Solution See the following references to calibrate the colors periodically� "Recommended Types of Calibration" (p� 2) "Getting the Best Colors from Your Machine" (p� 16) imagePRESS C850/C750/C650/C65...
  • Page 47 If you use some other simulation profile, colors may change. Solution Double-click the job in Command WorkStation, and click [Color] → [Basic Settings]. The simulation profile currently set is displayed. Specify the appropriate simulation profile, if necessary. Simulation Pro le for CMYK/Grayscale Simulation Pro le for RGB/LAB imagePRESS C850/C750/C650/C65...

  • Page 48: Step 2 Changing Print Settings For A Job With The Imagepress Server

    Try this procedure if you cannot reproduce a specified spot color� Registering spot colors in Command WorkStation ensures consistency and accuracy in color reproduction� Click the [Device Center] tab in Command WorkStation → [Resources] → [Spot Colors]� Click [New] → [Spot Color]� imagePRESS C850/C750/C650/C65...
  • Page 49 Command WorkStation > Help > Spot Colors > About Spot Colors > Creating a new spot color Double-click the job in Command WorkStation� • [Job Properties] is displayed� Select the [Color] tab, and then click [Basic Settings]� Select the check box for [Spot color matching]� imagePRESS C850/C750/C650/C65...
  • Page 50 • If you perform rasterization processing after editing a job, the edits are canceled� • [ImageViewer] is only compatible with the imagePRESS Server F200, and the optional GA premium package web activate for imagePRESS Server F200 is required� imagePRESS C850/C750/C650/C65...
  • Page 51 To confirm if the colors are acceptable, click [File] → [Print] and do a test print� • If you are satisfied with the result, save the adjusted settings by clicking [File] → [Save As], then print the job that you just saved with the adjusted settings� imagePRESS C850/C750/C650/C65...
  • Page 52 "When Creating a Custom Output Profile, How Do I Do?" (p� 41) → → Click the [Device Center] tab in Command WorkStation [Resources] [Profiles]� → Right-click the profile you want to use as a base to create a custom profile click [Edit Profile]� imagePRESS C850/C750/C650/C65...
  • Page 53 Adjust the CMYK tone curves, and then click [Save]� • For detailed instructions on adjustments, see the help files on the <Color Editor> screen� Enter an easy to understand description in <Description> so that you can easily tell the difference between profiles, and then click [Save]� imagePRESS C850/C750/C650/C65...
  • Page 54 Click [Close] to close the <Color Editor> screen� • The created custom profile is added to the list� Print a test sheet using the custom profile you created to check the result� If you are satisfied with the result, you can print the job� imagePRESS C850/C750/C650/C65...

  • Page 55: Smoothing Colors In Photographs, Figures

    Double-click the job in Command WorkStation on the imagePRESS Server� • [Job Properties] is displayed� Click the [Image] tab → select [Resolution], [Error diffusion], or [Gradation] for the print settings in <Printer’s halftone>, as necessary� imagePRESS C850/C750/C650/C65...
  • Page 56 • [Error diffusion] is appropriate for producing text and thin lines� For this reason, if you apply [Error diffusion] to photographs, jagged outlines may appear in the printout� Click [OK]� • Print a test sheet to check the colors� If you are satisfied with the result, you can print the job� imagePRESS C850/C750/C650/C65...

  • Page 57: How To Print Clear Photos

    • If [Image Enhance Visual Editor] is not displayed, see "When Image Enhance Visual Editor Is Unavailable� " (p� 58) NOTE • You can only edit processed jobs� • If you perform rasterization processing after editing a job, the edits are canceled� • [ImageEnhance Visual Editor] is only compatible with the imagePRESS Server F200� imagePRESS C850/C750/C650/C65...
  • Page 58 Enhance Visual Editor> screen� Click [File] → [Proof Print] to check the finished result� • If you are satisfied with the result, click [File] → [Save] to save the adjusted values, and then you can print the job� imagePRESS C850/C750/C650/C65...
  • Page 59 150 dpi from sources such as the Internet� Emphasizing edges and smoothing images To emphasize edges, select a positive value� To smooth images, select a negative value� imagePRESS C850/C750/C650/C65...
  • Page 60 Click the [Device Center] tab in Command WorkStation → [Workflows] → [Image Enhance] → [Edit]� Select <Custom Settings> on the <Image Enhance Settings> screen, and adjust the values for <Exposure>, <Color>, <Shadows & Highlights>, <Sharpness>, and <Red-Eye Correction>� imagePRESS C850/C750/C650/C65...
  • Page 61 Clean inside the main unit� → [Adjustment/Maintenance] → Press [Maintenance] → [Clean Inside Main Unit]� "Maintenance" > "Output Paper Becomes Dirty (Cleaning Inside of the Main Unit)" in the User's Guide imagePRESS C850/C750/C650/C65...

  • Page 62: Getting Clear Texts And Lines From Your

    Solution • If you set [1200dpi] for <Resolution>, it may reduce the thickness of fonts� For detailed procedure, see "Reducing the thickness of outline fonts� " (p� 62) • If possible, print the image using a non-outline font� imagePRESS C850/C750/C650/C65...

  • Page 63: Step 2 Changing Print Settings For A Job With The Imagepress Server

    Changing Settings in the Image Tab ▀ Double-click the job in Command WorkStation� • [Job Properties] is displayed� Click the [Image] tab → change the print settings for <Printer's halftone>, <Advanced smoothing>, <Text width adjustment>, <Resolution> if necessary� imagePRESS C850/C750/C650/C65...
  • Page 64 Click [OK]� • Print a test sheet to check the sharpness of text and lines� If you are satisfied with the result, you can print a job� imagePRESS C850/C750/C650/C65...
  • Page 65 If you select [Pattern 2], [Pattern 4], and [Pattern 7] for <Printer's halftone>, these patterns above are automatically set to the output image� Pattern Images Graphics Text (Photographs) (Figures and Lines) (Letters) Pattern 2 Gradation Error diffusion Error diffusion Pattern 4 Gradation Gradation Error diffusion Pattern 7 Gradation Resolution Error diffusion imagePRESS C850/C750/C650/C65...
  • Page 66 Specifying the Settings for the Printout's Finish → [Fiery]� Press Press [Tools] → [Setup]� Enter the password → press [Login]� imagePRESS C850/C750/C650/C65...
  • Page 67 • If you want to specify the settings for the text element for black text only, select [Black only] for <Text width adjustment color>� • If you want to apply the settings for the text element for direct printing, such as PDF printing, select [On] for <Text width adjustment>� Press [Save Changes]� imagePRESS C850/C750/C650/C65...
  • Page 68 On] for <Black text and graphics>� • You can make black elements in printouts more vivid if you select [Rich Black On] rather than [Pure Black On], because [Rich Black On] produces black by adding cyan to black� imagePRESS C850/C750/C650/C65...
  • Page 69 Getting Clear Texts and Lines from Your Machine Click [OK] → [OK]� • Print a test sheet to check the sharpness of text and lines� If you are satisfied with the result, you can print a job� imagePRESS C850/C750/C650/C65...

  • Page 70: How To Make Transparency Effects Work As

    Select the [Color] tab, and then select the check box for <Optimize RGB transparency>� Click [OK]� • Print a test sheet to check the finished result� If you are satisfied with the result, you can print the job� imagePRESS C850/C750/C650/C65...

  • Page 71: For Cmyk Color Mode

    Print a test sheet to check the finished result� Double-click the job in Command WorkStation on the imagePRESS Server� • [Job Properties] is displayed� Click the [Color] tab [Expert Settings]� → Click the [Color Input] tab, and select [Full (Source GCR)] in <Processing method>� imagePRESS C850/C750/C650/C65...
  • Page 72 PDF files without using a printer driver� You can avoid many problems by using an Adobe PDF Print Engine, which does not convert data to PostScript so transparent objects are not flattened during printing� Click the [Device Center] tab in Command WorkStation → [General] → [Server Configuration] → [Configure]� imagePRESS C850/C750/C650/C65...
  • Page 73 Click the [Color] tab, and select the check box for <Adobe PDF Print Engine Preferred>� Click [OK]� • Print a test sheet to check the finished result� If you are satisfied with the result, you can print the job� imagePRESS C850/C750/C650/C65...

  • Page 74: How To Solve The Overprint Problems

    Double-click the job in Command WorkStation on the imagePRESS Server� • [Job Properties] is displayed� Click the [Color] tab → change the print settings for <Composite overprint>, as necessary� Overprinting Select the check box for <Composite overprint>� Canceling overprinting Clear the check box for <Composite overprint>� imagePRESS C850/C750/C650/C65...

  • Page 75: Black Overprint

    You can specify the overprint setting for an object (K (black)=100%) on the imagePRESS Server without specifying it in the application� Double-click the job in Command WorkStation on the imagePRESS Server� • [Job Properties] is displayed� Click the [Color] tab → [Expert Settings]� imagePRESS C850/C750/C650/C65...
  • Page 76 Click [OK] → [OK]� • Print a test sheet to check the finished result� If you are satisfied with the result, you can print the job� If you are not satisfied with the result, check the job and application settings� imagePRESS C850/C750/C650/C65...

  • Page 77: How To Fix Misalignment Of Images

    Changing Settings on the Machine According to Paper Characteristics (p� 78) Step 2 • If Using the scanner (p� 78) • If Not using the scanner (p� 82) Step 3 Changing Print Settings on the Printer Driver (p� 86) imagePRESS C850/C750/C650/C65...

  • Page 78: Step 1 Eliminating The Basic Causes Of Misalignment

    • Use a different batch of paper that has been cut correctly� • If you cut the paper yourself, measure it and confirm it is the correct size� Printed image is skewed because the edges of the paper are not square. imagePRESS C850/C750/C650/C65...
  • Page 79 Solution → [Preferences] → [Paper Settings] → [Paper Settings] → Press select the brand of paper that you have loaded� "Settings/Registration" > "Registering the Paper Size and Type for a Paper Source" in the User's Guide imagePRESS C850/C750/C650/C65...

  • Page 80: Paper Characteristics

    If the images on the front and back sides are misaligned with each other and you want to adjust easily, you can adjust the alignment of the images by scanning the test pages with the guide sheet� Guide Sheet Test Page (Front Side) (Back Side) imagePRESS C850/C750/C650/C65...
  • Page 81 Glass)" in the User's Guide • In order to use this function, the guide sheet is required� For more information, contact your local authorized Canon dealer� • Before adjustment, print the guide sheet (A3 or 11" x 17") under the following conditions� Accurate adjustment may not be possible if the guide sheet is not printed correctly�...
  • Page 82 Place the guide sheet on the platen glass with the arrows of the sheet and on the platen glass aligned� Align the mark on the test page for the first scan operation with the mark on the guide sheet� imagePRESS C850/C750/C650/C65...
  • Page 83 If you have specified multiple output test pages, repeat steps 6 to 10 for all of the output test pages� In this case, adjustment is complete when all of the test pages have been scanned� Make sure that the test pages are scanned in the order they are output� imagePRESS C850/C750/C650/C65...
  • Page 84 Management Settings] → select the brand of paper in which the image is misaligned → press [Details/Edit] → [Change] for <Size> → [Custom Size] → enter the measured value� "Paper Type Management" > "Changing the Size" in the User's Guide imagePRESS C850/C750/C650/C65...
  • Page 85 [Details/Edit] → [Change] for <Adjust Image Position>� Print a test page� Adjust the position of the image in the sequence shown below� Correct Image Adjust Zoom Adjust Position Adjust Position Skew Ratio of Left Edge of Leading Edge Register Register imagePRESS C850/C750/C650/C65...
  • Page 86 • If you change the value in [Adj� Secondary Transfer Volt�], be sure to adjust the zoom ratio of the image� "Paper Type Management" > "Adjusting the Image Position" in the User's Guide imagePRESS C850/C750/C650/C65...
  • Page 87 <a'> on the red line <c>� Enter the distance from <a'> to the leading edge of the paper in [a]� Enter the distance from <g> to <a'> in [c]� Leading Enter this distance in [c]. Edge Left Edge imagePRESS C850/C750/C650/C65...

  • Page 88: Step 3 Changing Print Settings On The Printer Driver

    • In this case, enter the value for each direction as shown below� [Front] X: 1�00 mm, Y: 2�00 mm [Back] X: 2�00 mm, Y: 3�00 mm Click [Print]� • The machine starts printing� Check the printed page and confirm that the misalignment problem is solved, and then start printing� imagePRESS C850/C750/C650/C65...
  • Page 89 <2> for [Pages per Sheet]� NOTE If you select [Booklet], not [Normal], you cannot select [Image shift] in step 3� If you want to make a booklet, you need to print the job and then saddle stitch it separately� imagePRESS C850/C750/C650/C65...
  • Page 90 [Back] X: 2�00 mm, Y: 3�00 mm Click [Print]� • The machine starts printing� Check the printed page and confirm that the misalignment problem is solved, and then saddle stitch the booklet separately if you want to make a booklet� imagePRESS C850/C750/C650/C65...
  • Page 91 • If you select [Booklet] in step 2, you can move the image toward the fore-edge or the gutter of the page as shown in the illustration below� For more information, see the following� "Improving the Finish of Booklets" (p� 98) imagePRESS C850/C750/C650/C65...

  • Page 92: How To Fix Curled Printouts

    If the edges of the image are extremely dark, the paper may tend to curl during printing� Solution • Use heavier paper� • Decrease the density in the very dark areas to reduce the difference in the density between the dark and light areas� imagePRESS C850/C750/C650/C65...

  • Page 93: Paper Characteristics

    • Adjust the curl correction level in the direction opposite to the direction that the output paper is curled� When the paper curls Press [-]� downward When the paper curls Press [+]� upward imagePRESS C850/C750/C650/C65...
  • Page 94 If the printouts are still curled even if you print on the back side of the paper, follow the procedures described above to adjust the curl correction level� Feeding Direction imagePRESS C850/C750/C650/C65...

  • Page 95: How To Align And Staple Printouts

    See the following and adjust the position to align the paper� "Adjustment for Image Quality and Finishing (Calibration)" > "Paper Alignment When Stapling" in the User's Guide NOTE Depending on the finisher you are using, the function mentioned above may not be available� imagePRESS C850/C750/C650/C65...
  • Page 96 See the following and change the mode to [Precision Priority]� "Adjustment for Image Quality and Finishing (Calibration)" > "Speed/Precision Priority for Double Staple" in the User's Guide NOTE Depending on the finisher you are using, the function mentioned above may not be available� imagePRESS C850/C750/C650/C65...

  • Page 97: How To Adjust The Saddle Stitch Position

    2 "Adjusting the Saddle Stitch Fold Position to the Center of the Booklet� " → [Preferences] → [Paper Settings] → [Paper Type Management Settings]� Press "Paper Type Management" > "Adjusting the Saddle Stitch Position" in the User's Guide imagePRESS C850/C750/C650/C65...
  • Page 98 • If the saddle stitch position has shifted exactly to the center of the booklet, but the saddle stitch fold position is not, go to the procedures in step 2 "Adjusting the Saddle Stitch Fold Position to the Center of the Booklet� " imagePRESS C850/C750/C650/C65...
  • Page 99 • If the saddle stitch position is exactly in the center of the booklet, but the saddle stitch fold position is not, repeat steps 1 to 4 until the saddle stitch fold position is shifted exactly to the center of the booklet� imagePRESS C850/C750/C650/C65...

  • Page 100: Improving The Finish Of Booklets

    Adjusting Margins with Creep Compensation (p� 102) Step 4 Checking the Cover Settings (p� 103) Step 1 Confirming the Basic Settings Double-click a job in Command WorkStation on the imagePRESS Server� • [Job Properties] is displayed� Select the [Layout] tab, and then click [Booklet]� imagePRESS C850/C750/C650/C65...
  • Page 101 A5, those parts are cropped from the printouts� To avoid this, select the check box for <Shrink to fit>� This automatically reduces the size of the original pages, without unwanted cropping, so that they can be printed on the size of paper you selected� imagePRESS C850/C750/C650/C65...

  • Page 102: Step 2 Confirming The Position Of Text And Images

    Binding Position 4 mm 2 mm If you select <At the spine> for <Centering If you select <At the spine> for <Centering adjustment>, and set '0.0' for <Increase gutter by> adjustment>, and set '4.0' (mm) for <Increase gutter by> imagePRESS C850/C750/C650/C65...
  • Page 103 Input the measurements to the center of the paper as negative values. Actual image width Actual image width Select <At the center> for <Centering adjustment> and input a negative value for <Increase gutter by> to move the image to the gutter side. imagePRESS C850/C750/C650/C65...

  • Page 104: Step 3 Adjusting Margins With Creep Compensation

    Select the check box for <Compensate creep>, and then select a type of paper from the drop- down list� When making a booklet containing many pages by using plain paper Select [Plain]� When making a booklet by using heavy paper (heavy basis weight) Select [Heavy]� imagePRESS C850/C750/C650/C65...

  • Page 105: Step 4 Checking The Cover Settings

    • The main document is printed on the inside of the front cover, even though you want the front cover to be blank� Feeding Pre-printed Covers from a Different Paper Source than for the Main Document ▀ Confirm <Pre-Printed> is selected from the <Content input> drop-down list for <Cover>� imagePRESS C850/C750/C650/C65...
  • Page 106 Click [Define Cover] to confirm the settings are appropriate� Leaving the Inside of the Front Cover Blank ▀ Confirm [Front & Back Separately] is selected from the <Content input> drop-down list for <Cover>� imagePRESS C850/C750/C650/C65...
  • Page 107 Improving the Finish of Booklets Confirm [Print on outside] is selected from the <Front cover> drop-down list� imagePRESS C850/C750/C650/C65...
  • Page 108 If [Print on both sides] is selected for the <Front cover> The machine prints the first page on the outside of the front cover and the following pages in order after that� It prints on the inside of the front cover too� imagePRESS C850/C750/C650/C65...
  • Page 109 The pages are printed in the order that they appear in the data, regardless of whether the first page is intended to be a cover page or body page� When you print data consisting of 18 pages, the data is printed as follows� imagePRESS C850/C750/C650/C65...

  • Page 110: How To Align Printouts

    Press [-] or [+] to adjust the paper alignment� • If the edges of printouts are folded Press [-] to increase the width for aligning printouts� • If printouts are misaligned Press [+] to decrease the width for aligning printouts� imagePRESS C850/C750/C650/C65...
  • Page 111 • This setting is enabled only when using "Thin 2" paper, and is disabled when using other types of paper, such as "Plain" or "Thin 1 (64 g/m to 79 g/m (17 lb bond to 20 lb bond))" paper� • Depending on the finisher you are using, the function mentioned above may not be available� imagePRESS C850/C750/C650/C65...

  • Page 112: Repeated Paper Jams Caused By Paper

    Understanding What Causes Paper to Wrap around the Fixing Belt (p� 111) Step 2 Keeping the Paper’s Moisture Content at an Appropriate Level (p� 112) Step 3 Changing the Machine’s Settings (p� 112) Step 4 Try This If You Still Have the Same Problems (p� 115) imagePRESS C850/C750/C650/C65...

  • Page 113: Around The Fixing Belt

    If the leading edge margin of the paper is large and a large amount of toner is used, paper is likely to a small amount of toner is used, paper is less likely to wrap around the fixing belt. wrap around the fixing belt. imagePRESS C850/C750/C650/C65...

  • Page 114: Step 3 Changing The Machine's Settings

    Installation and Operating Environment Guidelines or the Specialty Media Handling Guide� • If paper absorbs moisture from a highly humid environment, turn the heater of the paper deck on to dry out the paper� For instructions on how to turn the heater on, contact your local authorized Canon dealer� NOTE •...
  • Page 115 Management Settings] → select the type of paper you are using that is having this problem → press [Details/Edit] → [Change] for <Toner Amount Reduct� Mode> → select [On]� "Paper Type Management" > "Adjusting the Total Amount of Toner" in the User's Guide imagePRESS C850/C750/C650/C65...
  • Page 116 Settings] → [Prod�/Img� Qlty� Priority for Mixed Ppr� Type] → [Quality Priority]� "Settings/Registration" > "Productivity/Image Quality Priority for Mixed Paper Type" in the User's Guide NOTE The print speed may be slow for a while after the printing starts, depending on the job� imagePRESS C850/C750/C650/C65...

  • Page 117: Step 4 Try This If You Still Have The Same Problems

    → press [Details/Edit] → [Change] for <Adjust Lead/Tail Margins> → adjust the value for [Lead Edge] toward the plus end� "Paper Type Management" > "Adjusting the Lead Edge/Tail End Margins" in the User's Guide imagePRESS C850/C750/C650/C65...

  • Page 118: Improving Productivity

    (If you use group A as the base, the print speeds of group B and group C are two thirds as fast and one half as fast respectively�) • The print speed may differ from those in the table depending on the amount of images and the room temperature� imagePRESS C850/C750/C650/C65...

  • Page 119: Speeding Up A Print Job By Using Thin Paper First

    • You can increase print speed by controlling the fixing unit for temperature adjustment� For more information, see "Increasing Print Speed by Giving Priority to Either Thin Paper or Heavy Paper� " (p� 125) imagePRESS C850/C750/C650/C65...

  • Page 120: Print Job

    "Maintenance" > "Replacing the Toner Cartridge" in the User's Guide • You can always check the toner level on [Status Monitor/Cancel]� See the following for more information� "Status Monitor /Cancel" > "Checking the Status of Consumables and Other Information" in the User's Guide imagePRESS C850/C750/C650/C65...

  • Page 121: Priority To The Lower Tray

    High Volume Stack Mode to 'On' and using tray B first� For more information on the High Volume Stack Mode, see the following� "Settings/Registration" > "High Volume Stack Mode" in the User's Guide NOTE Depending on the finisher you are using, the High Volume Stack Mode may not be available� imagePRESS C850/C750/C650/C65...

  • Page 122: Using Auto Drawer Switching To Its Fullest

    After you load 2,000 sheets of paper into each of the upper, middle, and lower drawers on the Multi-drawer Paper Deck-B1, specify the following settings� → [Function Settings] → [Common] → [Paper Feed Settings] → [Paper Drawer Auto Press Selection On/Off ]� imagePRESS C850/C750/C650/C65...
  • Page 123 50 to 100 sheets of paper remaining in the paper source in use� This can prevent interrupting a print job and help you to improve productivity� Select [On] for paper sources , and � Select [Use Group] → press [Change] for paper source � imagePRESS C850/C750/C650/C65...
  • Page 124 In the same way that you change the setting for paper source , change [Group 1] to [Group 2] for paper sources � NOTE Paper sources are equivalent to the upper, middle, lower drawers of the Multi-drawer Paper Deck-B1� imagePRESS C850/C750/C650/C65...
  • Page 125 → select the [Paper] tab� Press Make sure the paper source has changed to the middle drawer� • The paper source in use is highlighted in yellow on the image which is in the lower left corner of the screen� imagePRESS C850/C750/C650/C65...
  • Page 126 • You can use Auto Drawer Switching for various purposes besides those mentioned in this section� For more information, see the following� "Settings/Registration" > "Enabling Paper Drawer Auto Selection" in the User's Guide imagePRESS C850/C750/C650/C65...

  • Page 127: Thin Paper Or Heavy Paper

    (less than 128 g/m )� → [Function Settings] → [Common] → [Print Settings] → [Prod�/Img� Qlty� Priority for Press Mixed Ppr� Type]� Press [Productivity Priority]� Select [Thin Paper Priority] → press [OK] → [OK]� imagePRESS C850/C750/C650/C65...

  • Page 128: Heavy 5/Heavy 6 Paper

    For more information, see the following� "Settings/Registration" > "Heavy 5/Heavy 6 Paper Productivity Priority" in the User's Guide NOTE When [Heavy 5/Heavy 6 Paper Productivity Priority] is set to 'On' , print speed increases, but color/gloss/fixing quality may be adversely affected� imagePRESS C850/C750/C650/C65...

  • Page 129: Productivity Rather Than Gloss

    [Coated Paper Productivity/Gloss Priority], you can force the machine to print faster� For more information, see the following� "Settings/Registration" > "Coated Paper Productivity/Gloss Priority" in the User's Guide NOTE If you specify these settings, the print speed increases but the gloss quality may be adversely affected� imagePRESS C850/C750/C650/C65...

  • Page 130: Problems With Printouts That Look Like The Following Images

    If the situation does not improve even after adjusting the settings, contact your local authorized Canon dealer� When Your Printouts Look Like���...
  • Page 131 → press [Details/Edit] → [Change] for <Adjust Fixing 174 mm (6 7/8") cycle Speed> → adjust the fixing speed toward the plus end� "Paper Type Management" > "Adjusting the Fixing Speed" in the User's Guide ← Feeding Direction imagePRESS C850/C750/C650/C65...
  • Page 132 Parts of the surface of the fixing belt are rough� Remedy Refresh the fixing belt� → [Adjustment/Maintenance] → [Maintenance] Press → [Refresh Fixing Belt]� "Maintenance" > "Streaks and Gloss Unevenness Appear on Output Paper (Refreshing the Fixing Belt)" in the User's Guide ← Feeding Direction imagePRESS C850/C750/C650/C65...
  • Page 133 → press [Details/Edit] → [Change] for <Adj� Primary Transfer Voltage> → adjust the voltage value of black toward the minus end� ← Feeding Direction "Paper Type Management" > "Adjusting the Primary Transfer Voltage" in the User's Guide imagePRESS C850/C750/C650/C65...
  • Page 134 [Correction Level]� If the tail end of the paper appears white, adjust the correction value toward the plus end in [Correction Level]� "Paper Type Management" > "Changing the Tail End White Patch Correction" in the User's Guide ← Feeding Direction imagePRESS C850/C750/C650/C65...
  • Page 135 → press [Details/Edit] → [Change] for <Adjust Gloss/Fine Black> → adjust the value for [Gloss] toward the minus end� "Paper Type Management" > "Adjusting the Gloss and Fine Black" in the User's Guide imagePRESS C850/C750/C650/C65...
  • Page 136 Volt�> → adjust the voltage value� For type A, adjust the high density images� (Type A) voltage value toward the plus end� For type B, adjust the voltage value toward the minus end� "Paper Type Management" > "Adjusting the Secondary Transfer Voltage" in the User's Guide imagePRESS C850/C750/C650/C65...
  • Page 137 → [Adjustment/Maintenance] → [Adjust Image Press Quality] → [Dither Settings] → decrease the setting value for <Gradation> and <Resolution>� "Adjustment for Image Quality and Finishing (Calibration)" > "Dither Settings" in the User's Guide imagePRESS C850/C750/C650/C65...
  • Page 138 When printing on coated paper, printouts Scratching> → set [On]� are distorted, as shown in the orange frames in the illustration below� "Paper Type Management" > "Correcting the Image for Scratching" in the User's Guide ← Feeding Direction imagePRESS C850/C750/C650/C65...
  • Page 139 → press [Details/Edit] → [Change] for <Adjust Gloss/Fine Black> → adjust the value for [Gloss] toward the minus end� "Paper Type Management" > "Adjusting the Gloss and Fine Black" in the User's Guide imagePRESS C850/C750/C650/C65...
  • Page 140 • To improve this situation, do an automatic gradation adjustment that adjusts the total amount of toner� → [Adjustment/Maintenance] → [Adjust Press Image Quality] → [Auto Adjust Gradation]� "Adjustment for Image Quality and Finishing (Calibration)" > "Automatic Gradation Adjustment" in the User's Guide imagePRESS C850/C750/C650/C65...
  • Page 141 → press ← Feeding Direction [Details/Edit] → [Change] for <Adjust Gloss/Fine Black> → adjust the value for [Gloss] toward the minus end� "Paper Type Management" > "Adjusting the Gloss and Fine Black" in the User's Guide imagePRESS C850/C750/C650/C65...
  • Page 142 ← Feeding Direction On the second and following sheets, there is a bar of uneven glossiness within an area reaching 174 mm (6 7/8") from the leading edge� 174 mm (6 7/8") Bar of uneven glossiness ← Feeding Direction imagePRESS C850/C750/C650/C65...
  • Page 143 Image Clearing> → adjust the image clear level to increase the precision of automatic cleaning of the intermediate transfer belt� "Paper Type Management" > "Adjusting the Image Clear Level of the ITB (Intermediate Transfer Belt)" in the User's Guide imagePRESS C850/C750/C650/C65...
  • Page 144 The dots in a halftone image may create a moiré effect when scanned by the machine� Remedy Select [Map] in [Original Type] to reduce the moiré effect� → [Copy] → [Options] → [Original Type] → Press select [Map]� imagePRESS C850/C750/C650/C65...

  • Page 145: Types Of Paper You Can Use For Calibration

    For information on which paper you should use for calibration when you print on paper registered in the paper database, contact your local authorized Canon dealer.
  • Page 146 For information on which paper you should use for calibration when you print on paper registered in the paper database, contact your local authorized Canon dealer.

This manual is also suitable for:

C750C650C65

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